Search results 3797 items matching your search terms. Filter the results Item type Select All/None Collection File Folder Image Link Movie Page Question Quiz Quiz History New items since Yesterday Last week Last month Ever Sort by relevance date (newest first) alphabetically A final substance in a chemical equation by Dr. Osama M. Khaled — published Jun 21, 2022 — last modified May 30, 2025 09:04 PM Located in Chemistry / Chemical Reactions / Definitions A number in a chemical equation indicating more than one molecule of the substance by Dr. Osama M. Khaled — published Jun 21, 2022 — last modified May 30, 2025 09:04 PM Located in Chemistry / Chemical Reactions / Definitions An initial substance in a chemical equation by Dr. Osama M. Khaled — published Jun 21, 2022 — last modified May 30, 2025 09:04 PM Located in Chemistry / Chemical Reactions / Definitions A substance that acts as a catalyst in living organisms by Dr. Osama M. Khaled — published Oct 12, 2021 — last modified May 30, 2025 09:04 PM Located in Chemistry / Chemical Reactions / Catalysts A catalyst material used in ammonia synthesis process by Dr. Osama M. Khaled — published Oct 12, 2021 — last modified May 30, 2025 09:04 PM Located in Chemistry / Chemical Reactions / Catalysts A catalyst used in the cracking of petroleum process by Dr. Osama M. Khaled — published Oct 12, 2021 — last modified May 30, 2025 09:04 PM Located in Chemistry / Chemical Reactions / Catalysts A substance that increases the rate of a reaction without itself being consumed by Dr. Osama M. Khaled — published Oct 12, 2021 — last modified May 30, 2025 09:04 PM Located in Chemistry / Chemical Reactions / Catalysts Speeds up reactions of hydrogen gas with oxygen gas to make water (H2O) and electricity by Dr. Osama M. Khaled — published Oct 12, 2021 — last modified May 30, 2025 09:04 PM Located in Chemistry / Chemical Reactions / Catalysts The minimum energy needed for a particular chemical reaction to take place by Dr. Osama M. Khaled — published Oct 12, 2021 — last modified May 30, 2025 09:04 PM Located in Chemistry / Chemical Reactions / Catalysts A notation which is a straightforward expression of a number by Dr. Osama M. Khaled — published May 31, 2022 — last modified May 30, 2025 09:04 PM Located in Chemistry / Measurements / Measurements definitions < Previous 10 items 1 ... 55 56 57 58 59 60 61 ... 380 Next 10 items > Subscribe to an always-updated RSS feed.
